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Show the products of the reactions of these carboxylic acid with PBr3/Br2 before and after hydrolysis.
a) Pentanoic acid
b) Phenylacetic acid
c) succinic acid
d) oxalic acid
Pure olive oil has an iodine value of about 85. A very old sample or originally pure olive oil is found to have an iodine value of 55. Explain
A sample of oxygen , at 24 c occupy a vol of 4.14*10(2) milliliters(ml)at 1.53 atm pressure. What pressure must be applied to compress. the gas to a volume of 1.377*10(2) ml , with no temperature change
Suppose the maxium pressure the vessel can safely with stand id 1.60 atm. what is the maxium temperature in K the gas can have before its pressue might burst the vessel
A 50.0 ml sample of benzene at 16.9 degrees C was cooled to its melting point, 5.5 degrees C and then frozen. How much heat was given off in this process
For the equilibrium 2H2S(g) 2H2(g)+S2(g) Kc=9.0x10^-8 at 700 degrees C. The initial concentrations of the three gases are 0.550 M H2S, .550 M H2, and .275 M S2. Determine the equilibrium concentrations of the gases.
A sample of 2.0 grams of ammonia was placed in a 25.0 ml container and heated to 300 degrees C. After equilibrium was reached, the concentration of hydrogen was 1.58 moles/liter. What is the value of the equilibrium constant at 300 degrees C for t..
You transfer a gas at 25oC from a volume of 2.49 L and 0.950 atm to a vessel at 32oC which has a volume of 8.75 L. What is the new pressure of the gas
Some alloys of early and late transition metals (e.g., ZrPt3) have much higher enthalpies of vaporization (per metal atom) than either of the pure metals
Aluminum is a lightweight metal (density=2.70 g/cm^3) used in aircraft construction, beverage cans, and foils. a) What is its density in kg/m^3? b) How many pounds would an aluminum clock measuring 1.0 m x 2.0 m x 1.5 m weigh
Calculate the total volume of gas (at 124C and 758mmHg) produced by the complete decomposition of 1.45 kg of ammonium nitrate.
A 100.0 g sample of a metal M is burned in air to produce 103.7 g of its oxide with the formula M2O. What is the atomic mass of the metal?
a sample of gas has a mass of 38.8 mg. it's volume is 224 mL at a temperature of 55 degrees C and a pressure of 886 torr. Find the molar mass of the gas.
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